DevTools: Go to next field on enter in StylesSidebar

Bug: 853439
Change-Id: Iea24e161de8fd82be7b1a6b3f4c5ffdf99425f14
Reviewed-on: https://chromium-review.googlesource.com/1107014Reviewed-by: Andrey Lushnikov <lushnikov@chromium.org>
Commit-Queue: Joel Einbinder <einbinder@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568780}

third_party/blink/renderer/devtools/front_end/elements/StylesSidebarPane.js

@@ -2118,13 +2118,10 @@ Elements.StylesSidebarPane.CSSPropertyPrompt = class extends UI.TextPrompt {
         break;
       case 'Enter':
         // Accept any available autocompletions and advance to the next field.
-        if (this.textWithCurrentSuggestion() !== this.text()) {
         this.tabKeyPressed();
         event.preventDefault();
         return;
     }
-        break;
-    }
 
     super.onKeyDown(event);
   }